XT3−U−R is a comprehensive 2−way powering USB 2.0 receiver over extended−reach twisted pair CAT cable. The receiver converts the transmitted CAT signal into USB 2.0, RS−232 and audio signals. Plug and play USB extender kit for providing extended–reach CAT signals and 2–way power over twisted pair copper infrastructures. A local USB host is auto–connected to remote–connected USB devices employing either interrupt, bulk or isochronous USB 2.0 standard data transfer communication. Wide Variety of USB peripheral and dual–role devices can be extended including cameras, touch screens, smart boards, hard drives, game controllers, audio devices, printers, scanners, or HID (Human Interface Devices) devices such as a mouse or keyboard. Fast USB charging of peripheral devices when the receiver is powered by a power supply, and standard USB charging when the receiver is powered by the transmitter via CAT. Serial interface data flows in both directions, allowing data transmission and device control.